For each sleeper ___ pandrol clips are used.

Calculate the specific weight of oil. If the specific gravity is 0.95. Take specific weight of water is 1000 kg/m3.

________ are made of high carbon steel to withstand heavy stresses.

The ______ resistance is independent of the nature of surface contact.

_______ permits track circuiting.

__________ coat develop resistant texture.

___________ flow the liquid particles move along straight parallel paths.

For super critical flow, Fr _____ 1.